Pressure cooker



FIG. 1 is a perspective view of a pressure cooker showing our newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right end view thereof;

FIG. 5 is a left end view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the figures illustrate portions of the design thatform no part of the claimed design.

CLAIM The ornamental design for a pressure cooker, as shown anddescribed.